578 DR. R. C. L. PERKINS ON THE 
Abdominis segmentum 2 ventrale post sulcum transversum 
conspicue impressum, ita ut truneatio summa rotundatim 
elevatur (¢). 
(a) Thorax nigrum, flavo-notatum ............... comptus, sp. 1. 
(b) Pronotum rufum, flayo-notatum, mesonoto medio rufo. 
comptus, var. rwbescens, 1. 
8. Abdomen brunneum, rufo-brunneum aut atro-brunneum, et 
colore albido aut flavo-albido variegatum ......................-. uy 
Abdomen nigrum, colore sulphureo, flavo aut aurantiaco 
VLELE Deu bl pe yop eney yon. Ae ATU. coc s a SbUdide wistote ells asian oie 10 
9. Tegulz subtilissime ubique punctate ; puncta nonnulla majora 
sed levissime impressa adsunt; abdominis segmentum 2 dor- 
sale maculis basalibus carens. aut his minimis...... alecandriz, sp. n. 
Tegule subtilissime punctate et etiam punctis grossioribus, 
et, quam in precedente, majis conspicuis, signatze ; abdominis 
segmentum 2 dorsale maculis duabus, conspicuis, basalibus 
OUTA DDI erat ety ahah oee cs ac nvacelaeee nas ace arenicola, sp. n. 
10. Clypeus truncatus aut vix emarginatus ; ¢ tegule fere ubique 
grosse et conspicue punctate. 9 imcognita ...... simillimus, sp. Tl. 
Clypeus distincte, sed leviter, emarginatus; tegule minu- 
tissime copiose punctate, punctis grossioribus inter punetula 
Minuta NOMDUNGUAM IMNGETSPETSIS ............... eee cece eee ee ee inl 
11. Abdominis seementum 2 basalinm fasciz evidenter bicolores, 
antice aut aurantiace aut rufescentes, ilies flavescentes 
EEN ] OSVE(CONMNIES Sam anpoaroaes soo scobceasanenondsee ; 12 
Abdominis seementum secundum plerumque nigrum, aut postice 
tantum piceo-marginatum, aut fasciam incompletam habens ; 
primum in aspectu dorsali totum (aut fere totum) flavum, aut 
yoMMOHE CET, IEHOUSL loRKeoMKO MARTIN oO ok apd ghennonnenn cre ron ook 13 
‘12. Femora posteriora ubique aut ex magna parte fulvescentia ; 
Pee facie sua et forma cum finitimis congruens: 
a. Stigma lucide flavescens ...... vce Synchromus, sp. 1. 
b. Stigma obscure flavescens aut aoe venice tte RS 
Femora posteriora nigricantia, apicibus plus minus rufescenti- 
bus; species elongata, angustissima, abdominis segmento 
secundo plus, quam solito, elongato et angusto. 
(Stigma atro-brunneum aut nigrescens.) ........._ leptias, sp. n. 
13. Pronotum ¢ totum flavum aut subaurantiacum ; alarum stigma 
atrum. 
(Abdominis segmentum primum supra aurantiaco-flaypm. 
secundum fascia imperfecta apicali, duabusque maculis 
parvis subbasalibus, vix conspicuis, ornatum; anten- 
narum flagellum nigrum, apice extremo rufescente. 
Picturatio segmenti 2 abdominis an constans ?) ¢. 
tgnotus, Sp. NT. 
Pronotum g et Q haud totum flavum, nonnunquam antice 
flavo-notatum ; alarum stigma lucide flayum. 
(Abdominis segmentum primum supra flavum, secundum 
nonnunquam totum nigrum aut margine apicali piceo 
aut rufescente ; pronotum colore variabilis, supra rufum 
aut nigrum, aut rufo-marginatum, nonnunquam antice 
ornatum maculis duabus distinctis flavis.) ... icamotdes, sp. D. 
14, Tegule ubique copiose, subtilissime punctate ; species major. 
mimus. 
Tegulz conspicue grosse punctate, inter puncta nitidee, pune- 
tulis minutis, vix aut haud diseernendis ..........., imitatoy. 
